Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	MARCH-X
Human P-Site:	Y17
P-Site Sequence:	KFFSDVQYLRDMQHK
UniProt:	Q8NA82
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MARCH-X	Q8NA82	Y17	KFFSDVQYLRDMQHK	100 / 9 AA	91
Phosphosite 1:	FAM73B	Q7L4E1	Y531	FKHQIVQYLRDMFDL	100 / 7 AA	66
Phosphosite 2:	CHI3L1	P36222	Y340	SVKSKVQYLKDRQLA	75 / 8 AA	43
Phosphosite 3:	C5orf25	Q8NDZ2	Y285	LHPQDVAYLQDMPRS	75 / 8 AA	97
Phosphosite 4:	PKD1L1	Q8TDX9	Y622	NFGTDVAYLWDFGDG	55 / 9 AA	315
Phosphosite 5:	ORC5L	O43913	Y129	IVLDKAEYLRDMEAN	71 / 7 AA	50
Phosphosite 6:	NEB	P20929	Y1088	QAASDVQYKKDYEKA	75 / 8 AA	773
Phosphosite 7:	SPTAN1	Q13813	Y154	QAQKLVQYLRECEDV	83 / 6 AA	285
Phosphosite 8:	RPS10	P46783	Y78	LTNEGIQYLRDYLHL	71 / 7 AA	19
Phosphosite 9:	FETUB	Q9UGM5	Y306	GPRGSVQYLPDLDDK	71 / 7 AA	42
Phosphosite 10:	RALBP1	Q15311	Y270	VASLLKQYLRDLPEN	83 / 6 AA	76
Phosphosite 11:	LRRK1	Q38SD2	Y892	SRDDDVQYLTDRQLE	85 / 7 AA	228
Phosphosite 12:	SMEK1	Q6IN85	Y269	HQTYRVQYIQDMVLP	71 / 7 AA	95
Phosphosite 13:	QSOX1	O00391	T145	VAGADVQTLRERLID	62 / 8 AA	83
Phosphosite 14:	C17orf70	Q0VG06	Y829	APDLRVQYLRQIHAN	71 / 7 AA	93
Phosphosite 15:	YIF1A	O95070	Y122	HQNWEVQYSRDAPLP	62 / 8 AA	32
Phosphosite 16:	SMCR7L	Q9NQG6	Y302	ALTLEVQYERDKHLF	62 / 8 AA	51
Phosphosite 17:	NLRP10	Q86W26	Y31	DFKKLKFYLRDMTLS	100 / 5 AA	75
Phosphosite 18:	SOS2	Q07890	Y213	EIAEERQYLRELNMI	50 / 8 AA	153
Phosphosite 19:	YIF1A	O95070	S123	QNWEVQYSRDAPLPP	71 / 7 AA	32
Phosphosite 20:	ZCCHC2	Q9C0B9	Y144	LARKDYHYLRDSEAK	71 / 7 AA	126